stop_forward" "+forward; rightleft 0 1 0; !forwardback 0 1 0" op_forward" "-forward; !forwardback 0.00000000000001 0 0* top_back" "+back; rightleft 0 1 0; forwardback 0 1 0" top_back" "-back; forwardback 0.00000000000001 0 0" stop_left "+left; forwardback 0 1 0; rightleft 0 1 0" stop_left "-left; rightleft 0.00000000000001 0 0" stop_right" "tright; forwardback 0 1 0; rightleft 0 1 0" stop_right" "-right; lrightleft 0.00000000000001 0 0"
+
stostop_forward" stostop_back" stostop_left" stostop_right"